Benefits and Features
•Guaranteed Unique 64-Bit ROM ID Chip forAbsolute Traceability
oUnique, 64-Bit Registration Number (8-BitFamily Code + 48-Bit Serial Number +8-Bit CRC Tester)
o8-Bit Family Code Specifies DS2401Communications Requirements to Reader
•Minimalist 1-Wire® Interface Lowers Cost andInterface Complexity
oMultiple DS2401 Devices Can Reside ona Common 1-Wire Net
oBuilt-In Multidrop Controller EnsuresCompatibility with Other 1-Wire NetProducts
oReduces Control, Address, Data, andPower to a Single Pin and Communicatesat up to 16.3kbps
oPresence Pulse Acknowledges When theReader First Applies Voltage
oLow-Cost TO-92, SOT-223, and TSOCSurface-Mount Packages
oTO-92 Tape-and-Reel Version with LeadsBent to 100-mil Spacing (Default) or with Straight Leads (DS2401-SL)
Wide Voltage and Temperature OperatingRanges Enables Robust System Performance
oExtended 2.8V to 6.0V Range (DS2401)
oZero Standby Power Required
o-40°C to +85°C Industrial TemperatureRange

Applications
•PCB Identification
•Network Node ID
•Equipment Registration